FURVERT!

4_toes abdominal_bulge anatomically_correct anatomically_correct_genitalia anatomically_correct_penis anatomically_correct_vulva animal_genitalia animal_penis animal_vulva anus ass_up australian_shepherd balls big_balls big_knot big_penis black_anus black_balls black_body black_claws black_fur black_nose black_pawpads black_tail_tip black_vulva bodily_fluids canid canine canine_genitalia canine_penis canine_vulva canis cervical_penetration claws cum cum_from_vagina cum_in_uterus cum_in_vagina cum_inside cutaway digitigrade dipstick_tail domestic_dog duo echo_(wolffylegend)ejaculation erection eyes_closed feet female female_penetrated feral feral_on_feral feral_penetrated feral_penetrating feral_penetrating_feral from_behind_position fur genital_fluids genitals grey_body grey_claws grey_fur herding_dog hi_res huge_balls impregnation internal internal_vaginal killthe_demon knot knot_bulge knot_hanging knot_root knotting larger_male leaking_cum looking_pleasured lying male male/female male_penetrating male_penetrating_female mammal markings marylin_(shadowflare45)multi_nipple multiple_ova nipples open_mouth orgasm ovum pastoral_dog pawpads paws penetration penile penile_penetration penis penis_in_vagina pink_pawpads plump_labia quadruped raised_leg red_penis sex sheath sheepdog simple_background size_difference smaller_female smaller_penetrated smile sperm_cell spots tail tail_markings toe_claws toes tongue tongue_out uterus vaginal vaginal_knotting vaginal_penetration vulva white_body white_fur wolf